120717040

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:538

約数の個数: 80

約数和(自身を含む): 290713536

約数和(自身を除く): 169996496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 71, 80, 106, 142, 212, 265, 284, 355, 401, 424, 530, 568, 710, 802, 848, 1060, 1136, 1420, 1604, 2005, 2120, 2840, 3208, 3763, 4010, 4240, 5680, 6416, 7526, 8020, 15052, 16040, 18815, 21253, 28471, 30104, 32080, 37630, 42506, 56942, 60208, 75260, 85012, 106265, 113884, 142355, 150520, 170024, 212530, 227768, 284710, 301040, 340048, 425060, 455536, 569420, 850120, 1138840, 1508963, 1700240, 2277680, 3017926, 6035852, 7544815, 12071704, 15089630, 24143408, 30179260, 60358520, 120717040]

約数ペア:

[(1, 120717040), (2, 60358520), (4, 30179260), (5, 24143408), (8, 15089630), (10, 12071704), (16, 7544815), (20, 6035852), (40, 3017926), (53, 2277680), (71, 1700240), (80, 1508963), (106, 1138840), (142, 850120), (212, 569420), (265, 455536), (284, 425060), (355, 340048), (401, 301040), (424, 284710), (530, 227768), (568, 212530), (710, 170024), (802, 150520), (848, 142355), (1060, 113884), (1136, 106265), (1420, 85012), (1604, 75260), (2005, 60208), (2120, 56942), (2840, 42506), (3208, 37630), (3763, 32080), (4010, 30104), (4240, 28471), (5680, 21253), (6416, 18815), (7526, 16040), (8020, 15052)]